Gi-Fi Technology

It's all about the Gi-fi Technology

1. GI-FI TECHNOLOGY PRESENTYED by R.SOWNDARYA 17304024 1

2. INTRODUCTION WHAT IS GI-FI? WHY GI-FI? ARCHITECTURE OF GI-FI GI-FI CHARACTERISTICS WORKING OF GI-FI WHY 60GHz? COMPARISION GI-FI ACCESS DEVICES GI-FI FEATURES BENEFITS APPLICATION CONCLUSION REFERENCES CONTENTS 2

3. INTRODUCTION As there is no recent developments which transfer data at faster rate, as Video information transfer taking lot of time . This leads to introduction of Gi -Fi technology it offers some advantages over Wi-Fi, a similar wireless technology . It was developed at the National Information And Communication Technology Research Center in MELBOURNE, AUSTRALIA. 3

4. WHAT IS GI-FI? Gi -Fi stands for Gigabit Wireless . It is the world’s first transceiver integrated on a single chip that operates at 60GHz on the CMOS process . It is ten times faster than other technology and its chip delivers short-range multigigabit data transfer in a local environment . It provides high speed short range data transfers with speeds of up to 5 Gbps within a range of 10 meters . 4

5. DISADVANTAGES OF BLUETOOTH & WI-FI The bit rates of Bluetooth is 800Kbps and Wi-Fi has 11Mbps Both are having power consumptions 5mw and 10mw The lower frequency of operation 2.4GHz.For transferring large amount of videos, audios, data files take hours of time. So, to have higher data transfer rate at lower power consumption we move onto Gi -Fi technology 6

6. The reason for pushing into GI-FI technology is because of Slow rate High power consumption Low range of frequency operations of earlier technologies i.e., Bluetooth and WI-FI. WHY GI-FI? 7

7. ARCHITECTURE OF GI-FI Gi -fi chip has flexible architecture. It is highly portable and can be constructed in everywhere. Entire transmission system can be built on a cost effective single silicon chip that operates in the unlicensed, 57-64 GHz spectrum band. The core components of a GI-FI system is the subscriber station which available to several access points . It is based on standards of IEEE 802.15.3C . The wireless span is computer network used for communication among computer devices (including telephones and personal digital assistants) close to one person . An 802.15.3c based system often uses small antenna at the subscriber station. The antenna is mounted on the roof. It supports line of sight operation. 7

8. 9 Gigabit wireless : The Gi - Fi integrated wireless transceiver chip, developed at the National ICT Research Centre, Australia .

9. GI-FI CHARACTERISTICS Ease of deployment Small form factor Information management High speed of data transfer Low power consumption 9

10. WORKING OF GI-FI Use of Time Division Duplex for both transmission and receiving. Conversion of data from IF range to RF60Ghz range . Data files are up-converted from IF range to RF range centered at 60GHz by using mixers. Then it is fed into power amplifier which feeds millimeter wave antenna. The incoming RF signal is down converted to an IF signal centered at 5 GHz and then to normal data ranges. Then use heterodyne principle for this process to avoid leakages. Due to availability of 7GHz spectrum the total data will be transferred within seconds. 10

11. WHY 60GHz? Immunity to co-channel interference. High security. Frequency reuse. 11

12. Cables OpticalFiber Wireless Access Bluetooth Wi-Fi Wimax In 1980s 19 th centuary First developed in1970s In 1994 In 2001  Invented in 1991 13

13. COMPARISON OF BLUETOOTH AND WI-FI WITH GI-FI characteristics Bluetooth Wi-Fi Gi-Fi Frequency 24GHz 24GHz 60GHz Range 10 meter 100meters 10meters Primary application WPAN cab le replacement WLAN Ethernet Embedded in devices Data transfer rate 800 Kbps 11Mbps 5Gigabps Power consumption 5mw 10mw 2mw Primary devices Mobile phones,PDAs,consumer electronics,office and industrial devices Note books, desktop computer Fax, Printer, Cellular phones Primary uses Travelling employees,electronics consumers,office ad industrial workers corporate users Wireless Home & office appliances ,etc. Usage location Anywhere atleast two bluetooth device exist-ideal for roaming outside buildings Within range of WLAN infrastructure,usually inside a buildings WPAN Networks Specification Bluetooth S&G IEEE 802.11b,WBCA IEEE 802.15.3C 13

14. GI-FI ACCESS DEVICES 14

15. GI-FI FEATURES Capacity of High Speed Data Transfer Interference in Data Transfer Power consumption Provides high security 15

16. CAPACITY OF HIGH SPEED DATA TRANSFER The data transfer rate of Gigabit wireless technology is in Gigabits per second. Speed is 5 Gbps , which is 10 times the data transfer of the existing technologies. Providing higher data transfer rate is the main invention of Gi -Fi . An entire High-Definition (HD) movie could be transmitted to a mobile phone in a few seconds, and the phone could then upload the movie to a home computer or screen at the same speed. 16

17. INTERFERENCE IN DATA TRANSFER It uses the 60GHz millimeter wave spectrum to transmit the data, which gives it an advantage over Wi-Fi. Wi-Fi’s part of the spectrum is increasingly crowded, sharing the waves with devices such as cordless phones, which leads to interference and slower speeds . But the millimeter wave spectrum (30 to 300 GHz) is almost unoccupied, and the chip is potentially hundreds of times faster than the average home Wi-Fi technology. 17

18. POWER CONSUMPTION Power consumption of the present technologies such as Wi- Fi and Bluetooth are 5mili watts and 10mili watts but chip of Gi -Fi uses a tiny one-millimeter-wide antenna and it has less than 2mili watts of power consumption that in compare to the current technologies is very less. 18

19. PROVIDES HIGH SECURITY Gi -Fi technology is based on IEEE 802.15.3C and this standard provides more security since it provides optional security in the link level and service level . Point-to-point wireless systems operating at 60 GHz have been used for many years by the intelligence community for high security communications and by the military for satellite to satellite communications. 19

20. BENEFITS OF GI-FI TECHNOLOGY The most important benefits of the Gi -Fi technology are as follows: Removing cables Cost of Chip is low Privacy and Security Flexibility 20

21. REMOVING CABLES The limitations for data exchange rate and range and high cost of the infrastructures made it impossible for Wi-Fi to become a good replace for the cables . Gi -Fi technology removes need for cables to connect consumer electronics devices and all the devices can be connected in order to transmit the data wirelessly. 21

22. COST OF CHIP IS LOW Gi-Fi’s chip uses only a tiny one-millimeter-wide antenna and less than 2mili watts of power. Low-cost chip allows technology to be readily incorporated into multiple devices . The chip in Gi -fi would likely cost less to build . A small design would allow cell phones and other small devices to add the technology without significantly drive up the price. 22

23. PRIVACY AND SECURITY Encryption technology in Gi -Fi ensures privacy and security of content. About 70 per cent of firms have deployed their WLAN in a secure firewall zone but are still using the old WEP protocol, which does not protect the application layer effectively, so better encryption is urgently needed. 23

24. FLEXIBILITY One of the problems with wire connections and cables is complexity for connecting, but in the GI-FI technology simplicity is one of the features . Simple connection improves the consumer experience. The benefits related to the Gi -fi technology that can be achieved by the deployment and use of this technology. 24

25. House hold appliances – it makes the wireless home of the future 2 . Office appliances Video information transfer 4. Broadcasting video signal transmission system in sports stadium APPLICATIONS 27

26. CONCLUSION Within five years, we expect Gi -Fi to be the dominant technology for wireless networking. By that time it will be fully mobile, as well as providing low-cost, high broadband access, with very high speed large files swapped within seconds which will develop wireless home and office of future. 26

27. REFERENCE [4]. Sachin Abhyankar , 2009,” Gi-Fi : Emerging Technologies”, IEEE Trans. Commun ., vol. 14, no. 34, pp. 87-95. [2] Marzieh yazdanipour , Mina Yazdanipour , Afsaneh Yazdanipour , Amin Mehdipour ,” Evaluation of Gi-Fi Technology for Short-Range, High-Rate Wireless Communication” UACEE International Journal of Advances in Computer Networks and its Security- Volume 2 : Issue 3 [ISSN 2250 - 3757]. [3] GI-FI technology “Wikipedia” [4] J.Santhan Kumar Reddy “GI-FI TECHNOLOGY ” Gokula Krishna College of Enginnering . [5] Report on “GI-FI Technology”. 27

28. THANK YOU 28